Folding knife handle with thumb support



FIG. 1 is a perspective view of a folding knife handle with thumb support showing my new design;

FIG. 2 is a Left side elevation view thereof;

FIG. 3 is a Right side elevation view thereof;

FIG. 4 is a Front elevation view thereof;

FIG. 5 is a Rear view thereof;

FIG. 6 is a Top plan view thereof; and,

FIG. 7 is a Bottom plan view thereof.

The knife blade is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a folding knife handle with thumb support, as shown and described. 